package cn.e2win.biz.util;

public class DataAccessException extends RuntimeException {
	/**
	 * serial version uid.
	 */
	private static final long serialVersionUID = 1L;

	/**
	 * A default constructor.
	 */
	public DataAccessException() {
		super();
	}

	/**
	 * A constructor with a exception message.
	 * 
	 * @param msg
	 *            exception message
	 */
	public DataAccessException(String msg) {
		super(msg);
	}

	/**
	 * A constructor with a exception instance.
	 * 
	 * @param t
	 *            exception instance
	 */
	public DataAccessException(Throwable t) {
		super(t);
	}

	/**
	 * A constructor with a exception message and a exception instance.
	 * 
	 * @param msg
	 *            exception message
	 * @param t
	 *            exception instance
	 */
	public DataAccessException(String msg, Throwable t) {
		super(msg, t);
	}
}
